Nearly 1,000 wild animals live at Lincoln Park Zoo and other things you didn't know
A female trumpeter swan swims with her newly hatched cygnets at Lincoln Park Zoo in Chicago on June 1, 2008. Trumpeter swans were hunted to near extinction by 1900 and now, thanks
Swan Goose Lincoln Park Zoo
580 Lincoln Park Zoo Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime
Waterfowl Lagoon Lincoln Park Zoo
Two trumpeter swan cygnets that hatched last week follow closely behind their mother at Lincoln Park Zoo on June 18, 2009. These youngsters are slated to be released into the wild this
Lincoln Park Zoo on X: Bird keeper Kaycee stayed bundled up yesterday while feeding the birds on Hope B. McCormick Swan Pond! #FromACurator #ImAKeeper #birds #ItsSoCold / X
Lincoln Park Zoo in Manitowoc a popular spot as spring nears
Swan Goose, NatureRules1 Wiki